/* Grid layout (media query variable)
* $us ≥376px 
* $xs ≥576px 
* $sm ≥768px 
* $md ≥992px 
* $lg ≥1200px
* $xl ≥1920px
------------------------------- */
$us: 376px;
$xs: 576px;
$sm: 768px;
$md: 992px;
$lg: 1200px;
$xl: 1920px;
